Lifeline cabinet



FIG. 1 is a perspective view of the new, original and ornamental design of lifeline cabinet of the invention being viewed from the right front with the door open;

FIG. 2 is a front view of the new, original and ornamental design of the lifeline cabinet of FIG. 1 with the door closed;

FIG. 3 is a top view of the new, original and ornamental design of the lifeline cabinet with the door closed; and,

FIG. 4 is a side view of the new, original and ornamental design of the lifeline cabinet of FIG. 1 with the door open.

The broken lines in the drawings are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a lifeline cabinet, as shown and described. 